Carol White

Cathy Palmer

Paul Burke

Jack Byrnes

Mala Powers

Meg Stone

Scott Hylands

Kenneth Daly

James B. Sikking

Joe Menchell

Walter Brooke

Jerry Wolfe

Mathilda Calnan

Ilsa (as Matilda Calnan)

Gene Lyons

Dr. Blanker

Dennis Patrick

Dr. Parkington

Barry Cahill

FBI Agent Crosley

Andrea King

Brenda Frazier (uncredited)

Edith Atwater

Hospital Desk Nurse (uncredited)

Ron Masak

Paul Fleming (uncredited)

Harry Holcombe

Inspector Dixon (uncredited)

Leon Alton

Man in Ticket Line (uncredited)

Rachel Ames

Dr. Parkington's Nurse (uncredited)

Al Checco

Hotel Clerk (uncredited)

John Dennis

Mechanic (uncredited)

Edward Faulkner

Cop at Dixon's Party (uncredited)

Peter Hobbs

Cathy's Doctor (uncredited)

Tony Regan

Detective (uncredited)

Mark Robson

(uncredited)

Jeffrey Sayre

Cop at Dixon's Party (uncredited)

Suzanne Somers

Woman on Sidewalk (uncredited)

Claude Stroud

Pet Owner (uncredited)

Mark Tapscott

Man on Cable Car (uncredited)